Clock.



A. G. LUNDQUIST CLOCK.

APPLICATION FILED SEPT. 31. I9I8.

1,320,400. Patented Nov. 4, 1919.

ARVID G. LUN'DQUIST, OF CRYSTAL LAKE, ILLINOIS.

cLocK.

Specification of Letters Patent.

Patented Nov. 4, 1919.

Application filed September 3, 1913. Serial No. 252,455.

To all whom it may concern:

Be it known that I, Anvil) G. LUNDoUIs'r, a citizen of the United States, residing at Crystal Lake, in the county of McHenry and State of Illinois, have invented certain new and useful Improvements in Clocks, of which the following is a specification.

This invention relates to clocks, and more I particularly to the regulating mechanism thereof.

The main object of the invention is to provide an improved regulator for clocks so constructed that it cannot be accidentally moved.

Another object is to provide a regulator for clocks of the Big Ben and similar type, which has theregulator exposed, so arranged that no opening is found for the entrance of dust, and which lies flush with the rear face of the clock to prevent engagement by other objects.

I/Vith the foregoing and other objects 1n view, which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed may be made within the scope of what is claimed without departing from the spirit of the invention.

In the. accompanying drawings Figure 1 represents a rear elevation of a Big Ben clock with this improved regulator applied,

Fig. 2 is a detail of the regulator, and

Fig. 3 is a detail section taken on the line 33 of Fig. 2.

In the embodiment illustrated, the regulator constituting this invention is shown applied to a clock C of the Big Ben type, and comprises a post 1 with its outer end projecting through the rear face or plate P of the clock and arranged flush with said rear face, having a kerf 2 for actuation by a screw driver so that the post may be turned when desired for regulating the clock, but which has no projection such as would be likely to be engaged by adjacent objects and thus change the regulator which frequently happens in the ordinary clock of this character. Radiating marks 3 surround the aperture through which the post 1 passes, being the same as those usually employed in devices of this character, having the letter S at one end of the series and Fat the other end to [provide for the accurate adjustment of the regulator. V

This post I carries at its inner end a pinion 4 fixed thereto and adapted to turn therewith, said post being rotatably mount ed in the framework of a clock, as is shown clearly in Fig. 3. This pinion 4 meshes with a toothed segment 5 which is her-e shown semi-circular in shape and is carried by the usual clock regulating mechanism, said segment being connected with the hair spring 7 by means of a depending hook 6.

From the above description it will be ob vious that when it is desired to change the regulator, all that is necessary is to insert a screw driver or other similar instrument in the kerf 2 of the post and turn it in the direction desired. The kerfed end of the post being flush with the rear face of the clock cannot be accidentally turned and hence will remain in adjusted position until the operator desires to change it.

From the foregoing description, taken in connection with the accompanying drawings, the advantages of the construction and of the method of operation will be readily apparent to those skilled in the art to which the invention appertains, and while I have described the principle of operation of the invention together with the device which I now consider to be the best embodiment thereof, I desire to have it understood that such changes may be made as are within the scope of the claimed invention.

Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. The combination with a clock having regulating mechanism; of an actuator for said mechanism extending through one face of the clock and arranged flush therewith.

2. The combination with a clock having regulating mechanism, a rotary circular actuator for said mechanism having one end extended through one face of the clock and arranged flush therewith and kerfed to receive a tool for turning it, and intermeshing gears carried by said actuator and mechanism whereby the latter is operated by the turning of the actuator.

3. The combination with a clock having regulating mechanism; of a post having one end extended through one face of said clock and arranged flush with said face, said end having a kerf therein, a pinion fixed to said post inside the clock, and a toothed Segmechanism extending through one face of the clock With its outer end arranged flush With the outer face of the clock from which it extends and having a kerf therein, and intermeshing gears carried by said actuator and mechanism whereby the latter is oper ated by the turning of the actuator.

In testimony whereof I aflix my signature in presence of two Witnesses.

ARVID G. LUNDQUIST,

WVitnesses:

MARY ROWLEY, BENJAMIN F. KELLY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, I). G. 

